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LoRa gas alarm transmission distance
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Explosion-Proof Gas Alarm: WL-GA203 4G Industrial Gas Alarm ···
Explosion-Proof Gas Al···
2026-06-26
restaurant gas alarm solution direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE + RS485 Modbus, Explosion-proof Ex d IIB T6 housing for industrial gas monitoring with 16-channel expansion. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries acr···